Home / 23,869.18-32,939.76-13,259.80

Finding the Fourth Proportional to 23,869.18, 32,939.76 and 13,259.80

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Solution

The fourth proportional to 23,869.18, 32,939.76 and 13,259.80 is: 18,298.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,869.18 : 32,939.76 = 13,259.80 : x
  2. Step 2: Convert to fraction form
    23,869.18/32,939.76 = 13,259.80/x
  3. Step 3: Cross multiply
    23,869.18x = 32,939.76 × 13,259.80
  4. Step 4: Simplify right side
    23,869.18x = 436,774,629.65
  5. Step 5: Solve for x
    x = 436,774,629.65/23,869.18
  6. Step 6: Final answer
    x = 18,298.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.